Despite a lead of 613 at the end of the fourth day, Bengal don't necessarily have to declare in a bid for an outright win - they are set to advance to semi-finals by virtue of their first innings-innings lead

Both batsmen made 129 each - at a strike-rate over 70 - as Services bowlers had a day to forget. Elsewhere, Bengal kept their chances of qualification alive with centuries from Shreevats Goswami and Anustup Majumdar